20774130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53267}}^1$

素因数の和:53290

約数の個数: 32

約数和(自身を含む): 53694144

約数和(自身を除く): 32920014

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53267, 106534, 159801, 266335, 319602, 532670, 692471, 799005, 1384942, 1598010, 2077413, 3462355, 4154826, 6924710, 10387065, 20774130]

約数ペア:

[(1, 20774130), (2, 10387065), (3, 6924710), (5, 4154826), (6, 3462355), (10, 2077413), (13, 1598010), (15, 1384942), (26, 799005), (30, 692471), (39, 532670), (65, 319602), (78, 266335), (130, 159801), (195, 106534), (390, 53267)]